;(function (draftWidth, n) {
  function getRem() {
    var html = document.querySelector('html')
    var w = document.body.clientWidth || document.documentElement.clientWidth

    var rem = (w / draftWidth) * n

    html.style.fontSize = rem + 'px'
  }
  getRem()
  window.addEventListener('resize', function () {
    getRem()
  })
})(1920, 80)
